842018624 has 28 divisors (see below), whose sum is σ = 1698280068. Its totient is φ = 414105600.

The previous prime is 842018581. The next prime is 842018633. The reversal of 842018624 is 426810248.

It can be written as a sum of positive squares in 2 ways, for example, as 117332224 + 724686400 = 10832^2 + 26920^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103937 + ... + 111744.

Almost surely, 2^842018624 is an apocalyptic number.

It is an amenable number.

842018624 is an abundant number, since it is smaller than the sum of its proper divisors (856261444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842018624 is a wasteful number, since it uses less digits than its factorization.

842018624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215754 (or 215744 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 842018624 is about 29017.5571680319. The cubic root of 842018624 is about 944.2940049478.

The spelling of 842018624 in words is "eight hundred forty-two million, eighteen thousand, six hundred twenty-four".